The newly-operated passenger train K728/725, made its debut on January 5 from Harbin station to Kunming station, bypassing 53 stations including Changchun, Shenyangbei, Shanhai Pass, Qinghuangdao, Tangshan, Tianjin, Heze, Fuyang, Nanchang, Zhuzhou, Loudi and Guiyang. The 4,581km journey will take 63h 34min in travel time.